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30 May . 26

Design and Stress Analysis of 7xxx Series Aluminum Alloy Extrusion Dies

1 Research Status of 7xxx Series Aluminum Alloy Extrusion 1.1 Material Characteristics of 7xxx Series Aluminum Alloys 7xxx series aluminum alloys are primarily alloyed with zinc and contain small amounts of magnesium and copper. Super-hard aluminum alloys additionally contain zinc, lead, magnesiu...

30 May . 26

Advanced Low-Pressure High-Speed Aluminum Profile Extrusion Dies

Arch Extrusion Die The Dome Extrusion Die is a special die technology developed specifically for hollow profile extrusion. Its main feature is the convex die bridge design on the mandrel. Compared with conventional structures, the contact area between the die and the aluminum billet is significan...

17 May . 26

Typical Cases of Aluminum Alloy Aging

Using 7050 aluminum alloy extrusion as an example to introduce single-stage aging, two-stage aging, and retrogression and re-aging I. Single-Stage Aging Figure 1 (a) Hardness and (b) electrical conductivity of the alloy as a function of aging time at different single-stage aging temperatures 1 F...

10 May . 26

Complete Guide to Aluminum Alloy Stress Relief: Methods, Advantages, Drawbacks and Applications

During aluminum alloy processing — including rolling, extrusion, machining, welding and quenching — residual stress is inevitably generated inside the material. This “invisible internal tension” can lead to part distortion, dimensional deviation, cracking, reduced fatigue life and even lower cor...

02 May . 26

T4/T5/T6/T7 Process Pitfall Guide: Understand 4 Key Differences to Improve Quality & Efficiency and Avoid Mistakes

In aluminum alloy heat treatment, the codes T4, T5, T6, and T7 may look similar, but their processes, properties, and applications differ significantly. Choose the wrong one, and you will face hardness failures, deformation and cracking, wasted energy, and low efficiency. For the same batch of al...

02 May . 26

Electrical Conductivity of Aluminum and Aluminum Alloys

1. The electrical conductivity of aluminum or aluminum alloys is highly dependent on alloy composition and temperature. Generally, the lower the temperature, the higher the conductivity; the more alloying elements present, the lower the conductivity and the higher the resistivity. 2. Figure shows...

18 Apr . 26

Effects of Specific Alloying Elements and Impurities on Aluminum Alloys

The mechanical, physical, and chemical properties of aluminum alloys depend on their composition and microstructure. Adding specific elements to pure aluminum can significantly enhance its performance and utility. Therefore, the vast majority of aluminum applications use alloys containing one or ...

18 Apr . 26

How to Improve the Extrudability of AA6060 Aluminum Alloy?

To optimize the chemical composition of the 6060 alloy for enhanced extrudability, particular attention is paid to Mg and Si, the two main alloying elements. In fact, the lower the Mg and Si contents, the higher the extrudability. According to experiments, for every 0.01 wt% increase in Si conte...

04 Apr . 26

Common Defects in Aluminum and Aluminum Alloy Welding and 12 Preventive Measures

The selection of welding wires for aluminum and aluminum alloys is mainly based on the base metal type, comprehensively considering requirements for crack resistance, mechanical properties, and corrosion resistance of the joint. Sometimes, when a particular issue becomes the main concern, the cho...

04 Apr . 26

Annealing Processes for Aluminum Alloys

I. Basic Principles for Developing Annealing Processes 1. Based on the structural changes during annealing, it can be divided into recovery annealing and recrystallization annealing. 2. Recovery annealing is generally used as a final treatment for semi-finished products or finished goods to relie...

29 Mar . 26

Detailed Explanation of the Entire Aluminum Extrusion Process

This article covers the entire process from raw material to aluminum profile, allowing you to thoroughly understand the components of the processing cost of the profile. The profile processing includes the following four steps: Billet Forming (Melting) → Annealing → Extrusion → Heat Treatment 1....

20 Mar . 26

Inconel 718: A New Generation of Extrusion Die Steel

Tool durability is a function of many parameters, including the mechanical and physical properties of the tool material, the nature and parameters of the forming process, and the properties of the material to be formed. In aluminum extrusion, dies are subjected to complex stress conditions and hi...